:root{--accent:#0b74de}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial; margin:0;background:#fafafa;color:#222}
main{max-width:760px;margin:24px auto;padding:18px;background:#fff;border-radius:10px;box-shadow:0 6px 22px rgba(0,0,0,.06)}
header h1{margin:0 0 12px 0;font-size:24px}
input,textarea,button{width:100%;padding:10px;margin:8px 0;border-radius:8px;border:1px solid #ddd}
textarea{min-height:80px;resize:vertical}
.row{display:flex;gap:8px}
.row button{flex:1}
.hidden{display:none}
.post{border-bottom:1px solid #eee;padding:12px 0;display:flex;gap:12px;align-items:flex-start}
.avatar{width:44px;height:44px;border-radius:8px;object-fit:cover;background:#ddd}
.meta{flex:1}
.meta b{display:block}
.actions button{margin-right:6px}